LXES03AAA1-154 Murata Electronics TVS Diode (Bi-directional) (Diodes Chip Non-polarised) In Stock
Murata LXES03AAA1-154 is a single bidirectional silicon TVS diode in a ceramic metal-sealed cofired small outline chip package, designed for transient overvoltage protection in high-reliability applications. Available from stock with worldwide shipping.
- Manufacturer
- Murata Electronics
- Package
- Diodes Chip Non-polarised
- Pin Count
- 2
- Lifecycle
- OBSOLETE
- Datasheet
- LXES03AAA1-154 Datasheet PDF
- Category
- TVS Diode (Bi-directional)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Bidirectional TVS diode configuration provides symmetric transient voltage suppression for AC or bipolar signal lines
- Ceramic metal-sealed cofired package delivers superior hermeticity and reliability for harsh environment or military-grade applications
- Single silicon element in a compact small outline chip package minimizing board space while protecting sensitive circuit nodes
Applications
The LXES03AAA1-154 is engineered for transient voltage suppression on sensitive signal lines in aerospace, defense, and industrial electronics where hermetic ceramic packaging is required. Its bidirectional silicon TVS topology clamps positive and negative overvoltage transients symmetrically, protecting input/output interfaces and data buses. The compact small outline chip form factor allows placement close to protected nodes, minimizing parasitic inductance in the clamping path.
Specifications
| YTEOL | 0 |
| Configuration | SINGLE |
| Diode Element Material | SILICON |
| Diode Type | TRANS VOLTAGE SUPPRESSOR DIODE |
| JESD-30 Code | R-CDSO-N2 |
| Number of Elements | 1 |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Polarity | BIDIRECTIONAL |
| Reference Standard | IEC-61000-4-2 |
| Surface Mount | YES |
| Technology | AVALANCHE |
| Terminal Form | NO LEAD |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Diodes Chip Non-polarised |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.10.00.50 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Why is the ceramic metal-sealed package of LXES03AAA1-154 preferred in aerospace and defense designs?
The ceramic metal-sealed cofired package of LXES03AAA1-154 provides hermetic sealing that prevents moisture and contaminants from degrading the silicon TVS element. This is critical in aerospace and defense environments where components must endure temperature cycling from -55°C to +125°C, vibration, and humidity without performance degradation over a long service life.
How does the bidirectional configuration of LXES03AAA1-154 differ from a unidirectional TVS in protecting data bus lines?
A bidirectional TVS like the LXES03AAA1-154 clamps transient overvoltages on both positive and negative excursions symmetrically, making it suitable for protecting RS-485, CAN bus, or analog signal lines that carry bipolar signals. A unidirectional TVS would only clamp in one polarity direction, potentially passing destructive negative transients through to sensitive circuit inputs operating at low voltages such as 3.3 V or 5 V.
In what circuit positions is a single-element TVS chip like LXES03AAA1-154 most effective?
A single-element bidirectional TVS such as LXES03AAA1-154 is most effective when placed directly at connector pins, cable interface points, or PCB I/O pads where ESD and transient pulses first enter the board. Positioning it within 10 mm of the protected node minimizes the inductance in the clamping loop and reduces peak clamping voltage, ensuring downstream ICs remain within their absolute maximum ratings of typically 3.3 V to 5 V.
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